Catamarans by One2three Naval Architects

12m Passenger Ferry

A 12m passenger catamaran designed for short-voyage passenger transfers for a luxury-island resort. Features storage for luggage and golf bags. The open superstructure without windows provides a well ventilated area, with roll-down clears for inclement weather. Designed for 30 seated passengers and up to 20 standing. Twin outboard engines provide a cost-effective & simple propulsion solution which enhances the boat's manoeuvrability.

12m Catamaran Ferry

A 12m Catamaran Ferry designed for short-voyage passenger transfers, servicing Scotland Island on Pittwater. The open superstructure with opening windows provides a well ventilated area. Designed for 58 seated passengers and up to 22 standing. Twin John Deere engines provide a cost-effective & simple propulsion solution which enhances the boat's manoeuvrability.

12m Whitsunday Bullet

One of the fastest power Catamarans for charter in Whitsunday. This world class tourist ferry was built by Brisbane company Dynamic Marine Services (DMS). Powered by 2 x 350hp Yamaha outboards this is a simple, fast and light open boat with a sun canopy. The front facing seating allows maximum comfort for passengers. The rough weather safety of this design is a key advantage over other vessels of similar kind.

13m Mark Boat

Designed specifically for the America's Cup Race Management, this is a VIP-spectator vessel that also functions as a course marker. The catamaran hullform allows a large stable viewing platform positioning spectators & camera crew close to the action in a comfortable setting. Twin Volvo IPS drives are linked to the onboard GPS unit to allow the vessel to hold its position as a course marker.

15m Net Cleaner

This catamaran has been designed for the maintenance of fish farm nets. The vessel is fitted with the MIC net-cleaning and inspection system. She has been designed to meet the Nordic Boat Standard and can comfortably accommodate 4 crew overnight. This vessel is the ideal platform for any offshore work with a spacious aft deck, high stabililty and excellent visibility of operations from the wheelhouse.

16m Harbour Cleaner

This catamaran was specifically designed for the Environmental Services unit of NSW Maritime to operate on Sydney Harbour. Its mission statement is to keep the harbour pristine by allowing easy skimming of surface rubbish and access to the many coves via the unique bow ramp. The vessel also provides excellent seakeeping characteristics with a large open aft deck area which makes it suitable for a wide range of work applications.

16m Workboat

This catamaran was designed as a versatile working platform with a large aft cargo deck suitable for carriage of up to 10 tonnes of palletised deck cargo. The vessel has been named "Beaver" by its owners to represent its industriousness, agility and energy. The workboat cruises at a respectable speed of more than 18 knots at lightship condition and a comfortable speed of 16 knots at full load condition.

17m Ambulance Vessel

The vessel is intended to operate a high-frequency ambulance service in partially smooth waters from Gladstone Harbour to Curtis Island, transferring ambulance patients to land-based Ambulance facilities. The highly efficient hull shape allows high speeds and low washes to be achieved in an environmentally sensitive area. The catamaran form allows a roomy main cabin whilst maintaining the sleek underwater shape.

17m Barge

The vessel is intended to operate a high-frequency inter-island police service in partially smooth waters from Brisbane to the Island of Morton Bay. The highly efficient catamaran hull shape allows high speeds and low wash to be achieved in an environmentally sensitive area. The vessel is capable of transporting a variety police 4WD vehicles, quad bikes and trailers to and from beach landings in emergency situations.

18m Crew Transfer Vessel

These two vessels are designed to efficiently and comfortably transport workers between the mainland and offshore worksites in North-West Australia. The hull shape & structure has been designed to specifically handle the sea conditions found off the WA coast. The robust vessels provide a smooth ride with contract speed achieved at just 60% MCR.

19m Transit Ferry

The vessel is designed for fast crew transfer operations in an area which experiences rough seas. With capacity for 52 passengers plus 2 crew, the 19-metre craft will be operated at a service speed of 22 knots with a full-load deadweight of 6.95 tonnes which is achieved at 70% MCR. The hull form features a high tunnel height and scantlings have been designed for patrol notation to accomodate the high significant wave heights.

20m Whale Watcher

This ultimate party boat was launched in September 2007, with seating for 149 passengers. Featuring a large under-cover entertainment area the vessel is suitable for whale watching, dining/entertaining and snorkelling or diving. Rear water access and a waterslide are also highlights. The vessel boogies along at 17 knots, powered by two Cummins QSL9-M engines.

20m Tourist Catamaran

The 20m catamaran vessel was specifically designed for Loch Ness cruises and will take tourists on a scenic journey of discovery, including local historic monuments and intriguing tales surrounding the mysterious monster and ancient Urquhart Castle and the Caledonian Canal located in the heart of Scotland's Great Glen. The vessel has a luxuriously appointed interior and excelent open upper deck for scenic viewing.

21m Expedition Catamaran

This 21m Catamaran is designed for near-shore and coastal operations for Expeditions Maui around Hawaii. Expedition Six Carries 149 passengers and is powered by two MAN D2862 LE422 @749BkW. Cruising speed is 20 knots with a maximum of 23 knots.

21m Tourist Catamaran

This 21m Catamaran is designed for near-shore and coastal operations for Pacific Whale Foundation, in whale watching, snorkeling, sunset cruise and dolphin swimming operations in Maui, Hawaii. Ocean Guardian Carries 149 passengers and is powered by two CUMMINS QSM11 @334 BkW. Cruising speed is 20 knots with a maximum of 24 knots.

22m Whale Watcher

With room for up to 149 passengers, this vessel cruises at 26 knots with 2 x Cummins KTA19-M4 (522kW). The spacious deck layout has been configured for whale watching and casual dining. Dining tables and chairs feature throughout the vessel with a raised wheelhouse for enhanced visibility. Rear water access for snorkelling and diving is also provided, including an undercover bar and external BBQ once back on board.

23m Patrol Vessel

A rugged patrol vessel that was custom designed to the requirements of the Queensland Police Service. This vessel uses One2three's high-efficiency hull shape which reduces fuel consumption and also gives the vessel seakeeping that allow it to "go out when everyone else is going home." One2three was awarded this contract in a competitive international tender process. Three vessels were built to this design.

24m Commuter Ferry

This 24m Eco-Jet catamaran is purpose built for commuters travelling between islands and the mainland. Also suitable for a ferry river service, the interior layout has been configured for maximum passenger numbers and easy disembarkation. The low-wash hull form is very slippery through the water meaning quick transit times and low impact on the nearby river banks. Three vessels of this design are now in service, with a fourth currently under construction.

24m Passenger Ferry

Kingfish is a 24m catamaran custom designed for tourist transfer operations in the beautiful Whitsundays. Cruising around the islands has never been more comfortable with a design speed of 25 knots and the ability to carry 200 passengers with baggage. The installed power is very modest for this capacity due to One2three's highly-efficient hull shape. The bow also incorporates a boarding ramp for direct access to the local beaches.

24m Catamaran South Sea Cruises

This vessel is configured as a robust, low maintenance 200 passenger commuter ferry. Powered by twin Yanmar 6AY-WGT at 670 bkW make Cougar II suitable for high-speed use in environmentally senistive (msp) areas. Cabin finish is of commercial standard, but maintains a hose-out configuration through the avoidance of soft surfaces and coverings. Her efficient layout makes passenger handling a breeze during high-frequency multiple stop ferry serivce.

24m Whale Watcher

This vessel has been laid out to optimise viewing of whales & marine life. Full walk arounds have been provided on each deck for easy passenger movement, and grand-stand seating is provided on the foredeck for the best views. The internal spaces have been luxuriously fitted out with large windows. The unique styling incorporates a sculptured "Whale-Tail" sun shade, and contract speed was achieved at 85% MCR. Another very happy customer!

24m Eco-Ferry Catamaran

This vessel is configured as a robust, low maintenance, commuter ferry that carries 200 passengers and 20 dwt at 20 knots. Powered by twin Scania DI-13.078m at 405bkW with twin hamilton HJ403 Jets making it suitable for high-speed use in environmental areas and dugong feeding grounds. Cabin finish is of commercial standard, but maintaining a hose-out configuration through the avoidance of soft surfaces and coverings. Suited for high-frequency multiple stop ferry service, with individual trips of short durations.

24m Passenger Catamaran

These low-wash passenger catamarans were built for Bass and Flinders Cruises for use on Sydney Harbour and neighbouring channels. The vessels accommodate 260 passengers in a high standard of luxury with a mix of interior and exterior seats providing excellent views of the scenery surrounding the harbour. The spacious deck layout has been configured for whale watching. They are the little sisters of the 33m fast ferries.

24m Tourist Catamaran

This low-wash passenger catamaran was built for Fantasea Cruises in Sydney. The vessel accommodates 200 passengers. Cruising at 25 knots with 2 Yanmar 6HYM-WET @ 441kW, contract speed was achieved. With a layout designed around comfort and passenger flow, this vessel is the beauty of the Fantasea fleet..

24m Catamaran South Sea Cruises

Sistership to Cougar II, this vessel is configured as a robust, low maintenance 200 passenger commuter ferry. Powered by twin MAN D2862 at 923 bkW make Panther suitable for high-speed use in environmentally senistive (msp) areas. Cabin finish is of commercial standard, with a luxury area on the upper deck. Her efficient layout makes passenger handling a breeze during high-frequency multiple stop ferry serivce.

28m Glacier Cruise Vessel

This 149-passenger ferry sets the a new standard for marine mammal and wildlife sightseeing through the Prince William Sound and Columbia Glacier area. The vessel is configured with full walk around decks on both levels. The boat is fitted with full galley and bar facilities.

28m Dive Ferry

This 150-passenger ferry sets the standard for a Barrier Reef dive expedition vessel! An active ride-control system makes for a smooth ride out to the reef at 31 knots. The large open area on the aft main deck is perfect for dive/snorkel preparation, and a submerged swim platform that spans full vessel width makes for easy water entry. A luxurious seating arrangement with a servery in the main cabin is provided for passenger comfort.

28m Wave Piercing Catamaran Ferry

This Wave Piercing Passenger Catamaran was built for inter-island transport off the coast of Taipei. The vessel accommodates 200 passengers in an efficient manner with cargo capacity at the rear end of the main deck. The vessels striking appearance have made her a star attraction on the Taiwanese waterways.

30m Passenger Ferry

A series of 4 vessels that carry 300 passengers and 30 dwt at 28 knots. Powered by twin Caterpillar 3412E engines at 895kW each, contract speed was achieved at 85% MCR. The cabin arrangement is designed for high passenger numbers with a priority on comfort. Large windows provide generous views and ample natural light. External seating on the aft upper deck and a wheelhouse with excellent all-round visibility and external bridge wings.

30m Whale Watcher

Multi-purpose vessel suitable for whale watching or commuter ferry service. 320 passengers, 32 dwt at 31 knots with 2 Caterpillar C32 engines @ 1044 kW. The walk-around upper deck is designed primarily for whale watching, enabling passengers to obtain a 360-degree view of the vessel's surroundings. Large windows provide generous views for passengers and ample natural light to passengers who prefer to remain indoors.

30m South Sea Cruises

Another addition to the Whitsundays Fleet, this 30m cruise ferry is the second largest vessel in fleet. Her shallow draft and telescoping drawbridge was designed to allow for a safe and comfortable onto sand bars, so that guests can walk directly off the boat onto the sand. Capable of holding 258 passengers at 28 knots with 2 Caterpillar C32 engines @ 895 kW.

30m Sightseeing Catamaran

This 149-passenger ferry sets the a new standard for marine mammal and wildlife sightseeing in the Seattle and San Juan Island area. The vessel is configured with stadium seating in the bow and full walk around decks on all three levels. The boat is fitted with full galley and bar facilities.

30m Whale Watching and Sightseeing Catamaran

This 149-passenger ferry sets the a new standard for marine mammal and wildlife sightseeing through the Prince William Sound and Kenai Fjords National Park region. The vessel is configured with full walk around decks on all three levels. The boat is fitted with full galley and bar facilities.

33m Passenger Ferry

These Low-Wash Passenger Catamarans were built for Thames Clippers for use on the waterways surrounding London UK. The vessel accommodates 150 passengers in a high standard of luxury with a mix of interior and exterior seats providing excellent views of the scenery surrounding the Thames. The interior spaces and aft sundeck are fitted with roof windows to provide an excellent outdoor viewing experience for tourists and commuters.

33m Passenger Ferry

This Low-Wash Passenger Catamaran was built for Fantasea Cruises in the Whitsundays. The vessel accomodates 265 passengers and 23 dwt. Cruising at 31 knots with 2 Deutz TBD 616 V16 @ 936kW, contract speed was achieved at 82% MCR. With a layout designed around comfort and passenger flow, this vessel is the workhorse of the Fantasea fleet.

34m Passenger Catamaran

These low-wash passenger catamarans were built for Bass and Flinders Cruises for use on Sydney Harbour and neighbouring channels. The vessels accommodate 375 passengers in a high standard of luxury with a mix of interior and exterior seats providing excellent views of the scenery surrounding the harbour. The interior spaces and aft roof deck provide an excellent outdoor viewing experience for tourists and commuters.

34m Harbour Cruiser

A cruise and sightseeing catamaran built for Sydney Harbour. Operated by Magistic Cruises, the vessel can carry 300 passengers for unsurpassed views of the harbour at daytime, or luxury dining cruises at night. Its smooth sailing at 18.5 knots with two Caterpillar 3406E engines producing 448kW each. The high-efficiency hull form ensured that contract speed was achieved at only 75% MCR.

35m EnviroCat

This 35m passenger catamaran is the most environmentally-friendly vessel operating in Australia. The vessel boasts a lower fuel usage per passenger than a small four-cylinder car and no water-borne emissions. The hulls have been designed for low wash, very shallow draft and no external protrusions, all to protect local marine life. The high efficiency Kamewa waterjets in combination with a Humphree interceptor system provide manoeuvrabilty and a comfortable ride.

35m Passenger Ferry

Designed for Inter-Island Boats, this vessel is the sixth 35m catamaran designed by One2three to be launched in the past 3 years. The vessel is capable of carrying up to 468 passengers and the optimised hull shape has resulted in a significant fuel saving over the existing fleet. Combined with a ride-control system, this high-capacity catamaran provides a very comfortable ride in offshore conditions.

39m Passenger Ferry

This 39m Low-Wash passenger catamaran was built for Red Funnel Group, the oldest operating ferry company in the world. This design was selected from a competitive international tender and features engines a whole size smaller than other bidders. The vessel carries 275 passengers and 29 dwt at 38 knots with two MTU 12V4000 @ 1,740kW. Using One2three's high-speed hull shape and lightweight construction techniques, contract speed was achieved at 80% MCR.

40m Passenger Ferry

This 40m Low-Wash passenger catamaran was built for Red Funnel Group, the oldest operating ferry company in the world. The vessel carries 277 passengers and 29 dwt at 38 knots with four MTU 10V 2000 @ 900kW, reducing fuel consumption significantly compared to her sister ship Red Jet 4. Using One2three's high-speed hull shape and lightweight construction techniques, contract speed was achieved at 85% MCR.

40m Passenger Catamaran

This 40m Low-Wash passenger catamaran was built for Tai Ji Star Group for costal operations in Taiwan. The vessel carries 418 passengers and 45 dwt at 32 knots with four MTU 12V 2000 @ 1080 bkW.

One2three Naval Architects: Designers of Monohulls, Catamarans and Trimarans

12m Passenger Ferry

12m Catamaran Ferry

12m Whitsunday Bullet

13m Mark Boat

15m Net Cleaner

16m Harbour Cleaner

16m Workboat

17m Ambulance Vessel

17m Barge

18m Crew Transfer Vessel

19m Transit Ferry

20m Whale Watcher

20m Tourist Catamaran

21m Expedition Catamaran

21m Tourist Catamaran

22m Whale Watcher

23m Patrol Vessel

24m Commuter Ferry

24m Passenger Ferry

24m Catamaran South Sea Cruises

24m Whale Watcher

24m Eco-Ferry Catamaran

24m Passenger Catamaran

24m Tourist Catamaran

24m Catamaran South Sea Cruises

28m Glacier Cruise Vessel

28m Dive Ferry

28m Wave Piercing Catamaran Ferry

30m Passenger Ferry

30m Whale Watcher

30m South Sea Cruises

30m Sightseeing Catamaran

30m Whale Watching and Sightseeing Catamaran

33m Passenger Ferry

33m Passenger Ferry

34m Passenger Catamaran

34m Harbour Cruiser

35m EnviroCat

35m Passenger Ferry

39m Passenger Ferry

40m Passenger Ferry

40m Passenger Catamaran